The first two authors contributed equally to this work.
Left Atrial Sphericity: A New Method to Assess Atrial Remodeling. Impact on the Outcome of Atrial Fibrillation Ablation
Article first published online: 14 MAR 2013
© 2013 Wiley Periodicals, Inc.
Journal of Cardiovascular Electrophysiology
Volume 24, Issue 7, pages 752–759, July 2013
How to Cite
Bisbal, F., Guiu, E., Calvo, N., Marin, D., Berruezo, A., Arbelo, E., Ortiz-Pérez, J., de Caralt, T. M., Tolosana, J. M., Borràs, R., Sitges, M., Brugada, J. and MONT, L. (2013), Left Atrial Sphericity: A New Method to Assess Atrial Remodeling. Impact on the Outcome of Atrial Fibrillation Ablation. Journal of Cardiovascular Electrophysiology, 24: 752–759. doi: 10.1111/jce.12116
This work was supported by the Ministerio de Ciencia e Innovación, Instituto de Salud Carlos III, Madrid, Spain [Fondo Investigación Sanitaria PI1102003, REDSINCOR RD06/0003/008 and Red HERACLES RD06/0009] and by a grant from Hospital Clínic, Barcelona, Spain [Premi Fi de Residència “Emili Letang”].
Drs. Mont, Brugada, and Berruezo have received research grants, as well as honoraria for giving lectures, from St. Jude Medical (Ensite NaVx) and Biosense Webster (CARTO).
Other authors: No disclosures.
- Issue published online: 1 JUL 2013
- Article first published online: 14 MAR 2013
- Accepted manuscript online: 19 FEB 2013 11:53AM EST
- Manuscript Accepted: 24 JAN 2013
- Manuscript Revised: 23 JAN 2013
- Manuscript Received: 17 OCT 2012
- Ministerio de Ciencia e Innovación, Instituto de Salud Carlos III, Madrid, Spain
- Fondo Investigación Sanitaria. Grant Number: PI1102003
- REDSINCOR. Grant Number: RD06/0003/008
- Red HERACLES. Grant Number: RD06/0009]
Table S1. Candidate variables in the regression model.
Figure S1. Mesh representing left atrial cavity (A) and detail of the mesh showing how three vertexes form a triangle (B).
Figure S2. Triangle defined by vertexes and vectors
Figure S3. Screen capture of self-customized software showing left atrial cavity with the best-fitting sphere (left-hand panel) and results of sphericity algorithm (right-hand panel).
Figure S4. Histogram of the left atrial sphericity distribution.
Figure S5. Arrhythmia-free cumulative survival after repeated procedure in the different LASP groups. LASP = Left Atrial Sphericity.
Figure S6. Receiver Operating Characteristic curves and area under the curve values for prediction of recurrence of left atrial (LA) volume, diameter, and sphericity.
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